:root {
  --theme: #80b1fa;
}

header {
  height: 40px;
  width: 100%;
  box-shadow: 0 1px 4px rgb(226, 226, 226);
  display: flex;
  justify-content: space-between;
}
.content {
  margin: 10px;
  display: flex;
  height: calc(100% - 50px);
  align-items: center;
  overflow: auto;
}
.nav-title,
.nav-btn {
  height: 40px;
  line-height: 40px;
  margin: 0;
}
.nav-title {
  font-weight: 600;
  font-size: 16px;
  margin-left: 10px;
}
.link {
  display: inline-block;
  height: 40px;
  line-height: 40px;
  width: 120px;
  text-align: center;
  margin-right: 12px;
  transition: 0.3s all ease-out;
  color: var(--main-text);
  position: relative;
}

.link::after {
  content: "";
  display: block;
  width: 0px;
  height: 4px;
  left: 51%;
  right: 51%;
  position: absolute;
  top: 36px;
  opacity: 0;
  background: var(--theme);
  transition: 0.3s all ease-out;
}

.link:hover {
  color: var(--theme);
}

.link:hover::after {
  transform: translateX(-60px);
  width: 120px;
  opacity: 1;
}

.link-active {
  color: var(--theme);
}
.link-active::after {
  width: 120px;
  transform: translateX(-60px);
  opacity: 1;
}
.user-manage {
  width: 100%;
  height: 100%;
}

.question-manage-table {
  width: 100%;
  height: 100%;
}

.analyze {
  width: 100%;
  height: 100%;
}

.question-select {
  width: 100%;
  height: 100%;
}

.manual-paper {
  width: 100%;
  height: 100%;
}

.auto-paper{
  width: 100%;
  height: 100%;
}

.paper-info{
  width: 100%;
  height: 100%;
}

.cxd-Image-origin--contain {
  width: 100% !important;
}